Inventor
Ernst O. Fleer
Inventor
Bensheim-Auerbach, DE
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Cprimary
A61CDentistry53%
A61BDiagnosis11%
Y10TTechnical subjects covered by former us classification11%
A61GTransport, personal conveyances, or accommodation specially adapted for patients or disabled persons5%
F16KValves5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%
H05GX-ray technique5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
PatentTitleYear
4,874,314'Socket to clampingly hold dental tools'19894,669,982'Dental handpiece arrangement with an illumination device'19874,655,709'Coupling device for dental handpieces'19874,357,539'Flexible film cassette'19824,332,562'Dental handpiece'19824,209,908'Mobile dental unit'19804,182,038'Dental handpiece'19804,148,143'Dental turbine handpiece'19794,107,846'Device for supplying cooling agents to a dental instrument of a handpiece'19784,080,737'Coupling device for dental handpieces'19784,057,733'Dental X-ray diagnostic installation'19774,007,529'Motor-driven dental handpiece'19773,982,322'Arrangement for the switching on-and-off of a pressurized medium flow'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1989Patents assigned to SIEMENS AG (13)· patent assignee history
1976–1980Based in Bensheim-Auerbach, DE· patent location history
1982–1989Based in Bensheim, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS AG | 13 | 1976–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bensheim-Auerbach, DE | 8 | 1976–1980 |
| Bensheim, DE | 5 | 1982–1989 |